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PDF GM78R05A Data sheet ( Hoja de datos )
| Número de pieza | GM78R05A | |
| Descripción | (GM78RxxA) 1A LOW DROPOUT VOLTAGE REGULATORS | |
| Fabricantes | Gamma | |
| Logotipo |  |
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Description
THE GM78R05A is a low - dropout voltage regulator,
suitable for various electronic equipments. It provides
constant voltage power source with TO-220 4 leads full
mold package. Dropout voltage of GM78R05A is below
0.5V in full rated current (1A). This regulator has various
function such as peak current protection, thermal shut
down, overvoltage protection and output disable func-
tion.
Features
1A / 5V Output low dropout voltage regulator
TO-220 Full-Mold package (4PIN)
Overcurrent protection, Thermal shutdown
Overvoltage protection, Short-Circuit Protection
With output disable function
TYPICAL APPLICATION CIRCUITS
TO- 220F- 4L
1 234
1. VIN
2. VO
3. GND
4. VDIS
Ci +
VIN VO
GM78R05A
GND
VDIS
Co +
Disable Signal
— Ci is required if regulator is located an appreciable distance from power supply filter.
— Co improves stability and transient response. (Co > 47µF)
www.gammamicro.com 1
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
20
15
10
5
0
-25 0 25 50 75 100 125
TEMPERATURE TA (°C)
Figure 7. Power Dissipation vs.
Temperature(TA)
TO-220FPAB-4 PACKAGE OUTLINE DIMENSIONS
3.20 ± 0.20
3.40 ± 0.10
10.00 ± 0.20
(5.00)
(3.50) (3.50)
(3- 1.50 Dp010)
(1.50)
4.50 ± 0.20
2.80 ± 0.20
(5°) (1.00)
(5°)
6.50 ± 0.20
15.60 ± 0.20
(10.40)
(3.30)
10.30 ± 0.30
(7.62)
(1.19)
3-1.05MIN
3-1.30MAX
0.60 ± 0.10
1.25MIN
1.50MAX
2.54TYP
(2.54 ± 0.25)
(45°)
15.70 ± 0.20
1.00
(5°)
3 - R 0.25
(5°)
(13.60)
1.50 ± 0.20
0.15
+0.10
-0.05
5° 5°
4 - R 0.25
(3.50) (3.50)
(3- 1.50 Dp010)
(1.90)
(10.05)
Unit: mm
5
5 Page 
TYPICAL PERFORMANCE CHARACTERISTICS
10
9
8
RL =
7
6
5
4
3
2
1
00 5
RL = 9W
10 15
Input Voltage (V)
20
25
Figure 1. Output Voltage vs. Input Voltage
10
9
8
7
6
5
4
3
2
1
00
10
0.5 1 1.5 2.0
Disable Voltage Vdis (V)
2.5
Figure 3. Output Voltage vs.
Disable Voltage
3
8
6
4
2
0
0 5 10 15
Junction temperature TJ(°C)
Figure 5. Quiescent Current vs.
Temperature(TJ)
50
40
30
20
10
RL =
0
0 5 10 15
Input Voltage VIN (V)
Figure 2. Quiescent Current vs.
Input Voltage
9.06
9.04
9.02
9.00
8.98
8.96
8.94
8.92
-25
0 25 50 75 100
TEMPERATURE TJ (°C)
Figure 4. Output Voltage vs.
Temperature (TJ)
125
0.6
0.5
0.4 1.0A
0.3
0.2
0.1
0
-25
0.5A
0 25 50 75 100
Junction temperature TJ (°C)
Figure 6. Dropout Voltage vs.
Temperature(TJ)
125
4
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet GM78R05A.PDF ] | |
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